Chemical reactions 2

?

1. Which one of these is a balanced equation for the reaction between methane (CH4) and Oxygen (02)

  • CH4 + O2 = CO2 + H2O
  • 4(CH2)+ 02= CO2 + 4(H2O)
  • CH4+ 2(O2) =Co2 + 2(H2O)
  • 2(CH4) + O2 = 2 (CO2) + H2
1 of 9

Other questions in this quiz

2. On heating copper carbonate ( a green crystal) a black powder ( copper oxide) is formed. This equation is copper carbonate’= copper oxide +carbon dioxide. This is ana example of

  • Thermal insulation
  • Thermal recomposing
  • Thermal decomposition
  • Thermal expansion

3. What two useful things are created by combustion?

  • Heat and light
  • Carbon dioxide and energy
  • Sugar and oxygen
  • Hydrogen and carbon

4. A student measures equal
Amounts of substance A and B. They then chemically react these to form substance C and D. Which statement is true-

  • The mass of C+D is higher than A+B
  • The mass of C will always be more than D
  • The mass of A+B = mass of C+D
  • The mass of C+D is lower than A+B

5. A combustion reaction is when a substance reacts with…

  • Oxygen
  • Hydrogen
  • Carbon dioxide
  • Methane
View more questions

Comments

No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »See all Chemical reactions resources »